// Copyright 2013 The ql Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSES/QL-LICENSE file.

// Copyright 2015 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.

package session

import (
	"github.com/hanchuanchuan/goInception/mysql"
)

// 数据库类型
const (
	DBTypeMysql = iota
	DBTypeMariaDB
	DBTypeTiDB
)

// 审核阶段
const (
	StageOK byte = iota
	StageCheck
	StageExec
	StageBackup
)

// 审核状态
const (
	StatusAuditOk byte = iota
	StatusExecFail
	StatusExecOK
	StatusBackupFail
	StatusBackupOK
)

var (
	StageList  = [4]string{"RERUN", "CHECKED", "EXECUTED", "BACKUP"}
	StatusList = [5]string{"Audit Completed", "Execute failed", "Execute Successfully",
		"Execute Successfully\nBackup failed", "Execute Successfully\nBackup Successfully"}
)

// int类型map(用以数值列类型变更审核)
var IntegerOrderedMaps = map[string]int{
	"bit":       1,
	"tinyint":   2,
	"smallint":  3,
	"mediumint": 4,
	"int":       5,
	"bigint":    6,
}

// int类型map(用以数值列类型变更审核)
var IntegerOrderedMaps2 = map[byte]int{
	mysql.TypeBit:      1,
	mysql.TypeTiny:     2,
	mysql.TypeShort:    3,
	mysql.TypeInt24:    4,
	mysql.TypeLong:     5,
	mysql.TypeLonglong: 6,
}

// Keywords 数据库关键字
var Keywords = map[string]bool{
	"ACCESSIBLE":                      true,
	"ACCOUNT":                         true,
	"ACTION":                          true,
	"ACTIVE":                          true,
	"ADD":                             true,
	"ADDDATE":                         true,
	"ADMIN":                           true,
	"AFTER":                           true,
	"AGAINST":                         true,
	"AGGREGATE":                       true,
	"ALGORITHM":                       true,
	"ALL":                             true,
	"ALTER":                           true,
	"ALWAYS":                          true,
	"ANALYSE":                         true,
	"ANALYZE":                         true,
	"AND":                             true,
	"ANY":                             true,
	"ARRAY":                           true,
	"AS":                              true,
	"ASC":                             true,
	"ASCII":                           true,
	"ASENSITIVE":                      true,
	"AT":                              true,
	"ATTRIBUTE":                       true,
	"AUTO_INCREMENT":                  true,
	"AUTOEXTEND_SIZE":                 true,
	"AVG":                             true,
	"AVG_ROW_LENGTH":                  true,
	"BACKUP":                          true,
	"BEFORE":                          true,
	"BEGIN":                           true,
	"BETWEEN":                         true,
	"BIGINT":                          true,
	"BINARY":                          true,
	"BINLOG":                          true,
	"BIT":                             true,
	"BIT_AND":                         true,
	"BIT_OR":                          true,
	"BIT_XOR":                         true,
	"BLOB":                            true,
	"BLOCK":                           true,
	"BOOL":                            true,
	"BOOLEAN":                         true,
	"BOTH":                            true,
	"BTREE":                           true,
	"BUCKETS":                         true,
	"BY":                              true,
	"BYTE":                            true,
	"CACHE":                           true,
	"CALL":                            true,
	"CANCEL":                          true,
	"CASCADE":                         true,
	"CASCADED":                        true,
	"CASE":                            true,
	"CAST":                            true,
	"CATALOG_NAME":                    true,
	"CHAIN":                           true,
	"CHANGE":                          true,
	"CHANGED":                         true,
	"CHANNEL":                         true,
	"CHAR":                            true,
	"CHARACTER":                       true,
	"CHARSET":                         true,
	"CHECK":                           true,
	"CHECKSUM":                        true,
	"CIPHER":                          true,
	"CLASS_ORIGIN":                    true,
	"CLEANUP":                         true,
	"CLIENT":                          true,
	"CLONE":                           true,
	"CLOSE":                           true,
	"COALESCE":                        true,
	"CODE":                            true,
	"COLLATE":                         true,
	"COLLATION":                       true,
	"COLUMN":                          true,
	"COLUMN_FORMAT":                   true,
	"COLUMN_NAME":                     true,
	"COLUMNS":                         true,
	"COMMENT":                         true,
	"COMMIT":                          true,
	"COMMITTED":                       true,
	"COMPACT":                         true,
	"COMPLETION":                      true,
	"COMPONENT":                       true,
	"COMPRESSED":                      true,
	"COMPRESSION":                     true,
	"CONCURRENT":                      true,
	"CONDITION":                       true,
	"CONNECTION":                      true,
	"CONSISTENT":                      true,
	"CONSTRAINT":                      true,
	"CONSTRAINT_CATALOG":              true,
	"CONSTRAINT_NAME":                 true,
	"CONSTRAINT_SCHEMA":               true,
	"CONTAINS":                        true,
	"CONTEXT":                         true,
	"CONTINUE":                        true,
	"CONVERT":                         true,
	"COPY":                            true,
	"COUNT":                           true,
	"CPU":                             true,
	"CREATE":                          true,
	"CROSS":                           true,
	"CUBE":                            true,
	"CUME_DIST":                       true,
	"CURRENT":                         true,
	"CURRENT_DATE":                    true,
	"CURRENT_TIME":                    true,
	"CURRENT_TIMESTAMP":               true,
	"CURRENT_USER":                    true,
	"CURSOR":                          true,
	"CURSOR_NAME":                     true,
	"CURTIME":                         true,
	"DATA":                            true,
	"DATABASE":                        true,
	"DATABASES":                       true,
	"DATAFILE":                        true,
	"DATE":                            true,
	"DATE_ADD":                        true,
	"DATE_SUB":                        true,
	"DATETIME":                        true,
	"DAY":                             true,
	"DAY_HOUR":                        true,
	"DAY_MICROSECOND":                 true,
	"DAY_MINUTE":                      true,
	"DAY_SECOND":                      true,
	"DDL":                             true,
	"DEALLOCATE":                      true,
	"DEC":                             true,
	"DECIMAL":                         true,
	"DECLARE":                         true,
	"DEFAULT":                         true,
	"DEFAULT_AUTH":                    true,
	"DEFINER":                         true,
	"DEFINITION":                      true,
	"DELAY_KEY_WRITE":                 true,
	"DELAYED":                         true,
	"DELETE":                          true,
	"DENSE_RANK":                      true,
	"DES_KEY_FILE":                    true,
	"DESC":                            true,
	"DESCRIBE":                        true,
	"DESCRIPTION":                     true,
	"DETERMINISTIC":                   true,
	"DIAGNOSTICS":                     true,
	"DIRECTORY":                       true,
	"DISABLE":                         true,
	"DISCARD":                         true,
	"DISK":                            true,
	"DISTINCT":                        true,
	"DISTINCTROW":                     true,
	"DIV":                             true,
	"DO":                              true,
	"DOUBLE":                          true,
	"DROP":                            true,
	"DUAL":                            true,
	"DUMPFILE":                        true,
	"DUPLICATE":                       true,
	"DYNAMIC":                         true,
	"EACH":                            true,
	"ELSE":                            true,
	"ELSEIF":                          true,
	"EMPTY":                           true,
	"ENABLE":                          true,
	"ENCLOSED":                        true,
	"ENCRYPTION":                      true,
	"END":                             true,
	"ENDS":                            true,
	"ENFORCED":                        true,
	"ENGINE":                          true,
	"ENGINE_ATTRIBUTE":                true,
	"ENGINES":                         true,
	"ENUM":                            true,
	"ERROR":                           true,
	"ERRORS":                          true,
	"ESCAPE":                          true,
	"ESCAPED":                         true,
	"EVENT":                           true,
	"EVENTS":                          true,
	"EVERY":                           true,
	"EXCEPT":                          true,
	"EXCHANGE":                        true,
	"EXCLUDE":                         true,
	"EXCLUSIVE":                       true,
	"EXECUTE":                         true,
	"EXISTS":                          true,
	"EXIT":                            true,
	"EXPANSION":                       true,
	"EXPIRE":                          true,
	"EXPLAIN":                         true,
	"EXPORT":                          true,
	"EXTENDED":                        true,
	"EXTENT_SIZE":                     true,
	"EXTRACT":                         true,
	"FAILED_LOGIN_ATTEMPTS":           true,
	"FALSE":                           true,
	"FAST":                            true,
	"FAULTS":                          true,
	"FETCH":                           true,
	"FIELDS":                          true,
	"FILE":                            true,
	"FILE_BLOCK_SIZE":                 true,
	"FILTER":                          true,
	"FIRST":                           true,
	"FIRST_VALUE":                     true,
	"FIXED":                           true,
	"FLOAT":                           true,
	"FLOAT4":                          true,
	"FLOAT8":                          true,
	"FLUSH":                           true,
	"FOLLOWING":                       true,
	"FOLLOWS":                         true,
	"FOR":                             true,
	"FORCE":                           true,
	"FOREIGN":                         true,
	"FORMAT":                          true,
	"FOUND":                           true,
	"FROM":                            true,
	"FULL":                            true,
	"FULLTEXT":                        true,
	"FUNCTION":                        true,
	"GENERAL":                         true,
	"GENERATED":                       true,
	"GEOMCOLLECTION":                  true,
	"GEOMETRY":                        true,
	"GEOMETRYCOLLECTION":              true,
	"GET":                             true,
	"GET_FORMAT":                      true,
	"GET_MASTER_PUBLIC_KEY":           true,
	"GLOBAL":                          true,
	"GRANT":                           true,
	"GRANTS":                          true,
	"GROUP":                           true,
	"GROUP_CONCAT":                    true,
	"GROUP_REPLICATION":               true,
	"GROUPING":                        true,
	"GROUPS":                          true,
	"HANDLER":                         true,
	"HASH":                            true,
	"HAVING":                          true,
	"HELP":                            true,
	"HIGH_PRIORITY":                   true,
	"HISTOGRAM":                       true,
	"HISTORY":                         true,
	"HOST":                            true,
	"HOSTS":                           true,
	"HOUR":                            true,
	"HOUR_MICROSECOND":                true,
	"HOUR_MINUTE":                     true,
	"HOUR_SECOND":                     true,
	"IDENTIFIED":                      true,
	"IF":                              true,
	"IGNORE":                          true,
	"IGNORE_SERVER_IDS":               true,
	"IMPORT":                          true,
	"IN":                              true,
	"INACTIVE":                        true,
	"INC":                             true,
	"INCEPTION":                       true,
	"INCEPTION_MAGIC_COMMIT":          true,
	"INCEPTION_MAGIC_START":           true,
	"INDEX":                           true,
	"INDEXES":                         true,
	"INFILE":                          true,
	"INITIAL_SIZE":                    true,
	"INNER":                           true,
	"INOUT":                           true,
	"INPLACE":                         true,
	"INSENSITIVE":                     true,
	"INSERT":                          true,
	"INSERT_METHOD":                   true,
	"INSTALL":                         true,
	"INSTANCE":                        true,
	"INT":                             true,
	"INT1":                            true,
	"INT2":                            true,
	"INT3":                            true,
	"INT4":                            true,
	"INT8":                            true,
	"INTEGER":                         true,
	"INTERNAL":                        true,
	"INTERVAL":                        true,
	"INTO":                            true,
	"INVISIBLE":                       true,
	"INVOKER":                         true,
	"IO":                              true,
	"IO_AFTER_GTIDS":                  true,
	"IO_BEFORE_GTIDS":                 true,
	"IO_THREAD":                       true,
	"IPC":                             true,
	"IS":                              true,
	"ISOLATION":                       true,
	"ISSUER":                          true,
	"ITERATE":                         true,
	"JOB":                             true,
	"JOBS":                            true,
	"JOIN":                            true,
	"JSON":                            true,
	"JSON_TABLE":                      true,
	"JSON_VALUE":                      true,
	"KEY":                             true,
	"KEY_BLOCK_SIZE":                  true,
	"KEYS":                            true,
	"KILL":                            true,
	"LAG":                             true,
	"LANGUAGE":                        true,
	"LAST":                            true,
	"LAST_VALUE":                      true,
	"LATERAL":                         true,
	"LEAD":                            true,
	"LEADING":                         true,
	"LEAVE":                           true,
	"LEAVES":                          true,
	"LEFT":                            true,
	"LESS":                            true,
	"LEVEL":                           true,
	"LIKE":                            true,
	"LIMIT":                           true,
	"LINEAR":                          true,
	"LINES":                           true,
	"LINESTRING":                      true,
	"LIST":                            true,
	"LOAD":                            true,
	"LOCAL":                           true,
	"LOCALTIME":                       true,
	"LOCALTIMESTAMP":                  true,
	"LOCK":                            true,
	"LOCKED":                          true,
	"LOCKS":                           true,
	"LOGFILE":                         true,
	"LOGS":                            true,
	"LONG":                            true,
	"LONGBLOB":                        true,
	"LONGTEXT":                        true,
	"LOOP":                            true,
	"LOW_PRIORITY":                    true,
	"MASTER":                          true,
	"MASTER_AUTO_POSITION":            true,
	"MASTER_BIND":                     true,
	"MASTER_COMPRESSION_ALGORITHMS":   true,
	"MASTER_CONNECT_RETRY":            true,
	"MASTER_DELAY":                    true,
	"MASTER_HEARTBEAT_PERIOD":         true,
	"MASTER_HOST":                     true,
	"MASTER_LOG_FILE":                 true,
	"MASTER_LOG_POS":                  true,
	"MASTER_PASSWORD":                 true,
	"MASTER_PORT":                     true,
	"MASTER_PUBLIC_KEY_PATH":          true,
	"MASTER_RETRY_COUNT":              true,
	"MASTER_SERVER_ID":                true,
	"MASTER_SSL":                      true,
	"MASTER_SSL_CA":                   true,
	"MASTER_SSL_CAPATH":               true,
	"MASTER_SSL_CERT":                 true,
	"MASTER_SSL_CIPHER":               true,
	"MASTER_SSL_CRL":                  true,
	"MASTER_SSL_CRLPATH":              true,
	"MASTER_SSL_KEY":                  true,
	"MASTER_SSL_VERIFY_SERVER_CERT":   true,
	"MASTER_TLS_CIPHERSUITES":         true,
	"MASTER_TLS_VERSION":              true,
	"MASTER_USER":                     true,
	"MASTER_ZSTD_COMPRESSION_LEVEL":   true,
	"MATCH":                           true,
	"MAX":                             true,
	"MAX_CONNECTIONS_PER_HOUR":        true,
	"MAX_EXECUTION_TIME":              true,
	"MAX_QUERIES_PER_HOUR":            true,
	"MAX_ROWS":                        true,
	"MAX_SIZE":                        true,
	"MAX_STATEMENT_TIME":              true,
	"MAX_UPDATES_PER_HOUR":            true,
	"MAX_USER_CONNECTIONS":            true,
	"MAXVALUE":                        true,
	"MEDIUM":                          true,
	"MEDIUMBLOB":                      true,
	"MEDIUMINT":                       true,
	"MEDIUMTEXT":                      true,
	"MEMBER":                          true,
	"MEMORY":                          true,
	"MERGE":                           true,
	"MESSAGE_TEXT":                    true,
	"MICROSECOND":                     true,
	"MIDDLEINT":                       true,
	"MIGRATE":                         true,
	"MIN":                             true,
	"MIN_ROWS":                        true,
	"MINUTE":                          true,
	"MINUTE_MICROSECOND":              true,
	"MINUTE_SECOND":                   true,
	"MOD":                             true,
	"MODE":                            true,
	"MODIFIES":                        true,
	"MODIFY":                          true,
	"MONTH":                           true,
	"MULTILINESTRING":                 true,
	"MULTIPOINT":                      true,
	"MULTIPOLYGON":                    true,
	"MUTEX":                           true,
	"MYSQL_ERRNO":                     true,
	"NAME":                            true,
	"NAMES":                           true,
	"NATIONAL":                        true,
	"NATURAL":                         true,
	"NCHAR":                           true,
	"NDB":                             true,
	"NDBCLUSTER":                      true,
	"NESTED":                          true,
	"NETWORK_NAMESPACE":               true,
	"NEVER":                           true,
	"NEW":                             true,
	"NEXT":                            true,
	"NO":                              true,
	"NO_WAIT":                         true,
	"NO_WRITE_TO_BINLOG":              true,
	"NODEGROUP":                       true,
	"NONBLOCKING":                     true,
	"NONE":                            true,
	"NOT":                             true,
	"NOW":                             true,
	"NOWAIT":                          true,
	"NTH_VALUE":                       true,
	"NTILE":                           true,
	"NULL":                            true,
	"NULLS":                           true,
	"NUMBER":                          true,
	"NUMERIC":                         true,
	"NVARCHAR":                        true,
	"OF":                              true,
	"OFF":                             true,
	"OFFSET":                          true,
	"OJ":                              true,
	"OLD":                             true,
	"OLD_PASSWORD":                    true,
	"ON":                              true,
	"ONE":                             true,
	"ONLY":                            true,
	"OPEN":                            true,
	"OPTIMIZE":                        true,
	"OPTIMIZER_COSTS":                 true,
	"OPTION":                          true,
	"OPTIONAL":                        true,
	"OPTIONALLY":                      true,
	"OPTIONS":                         true,
	"OR":                              true,
	"ORDER":                           true,
	"ORDINALITY":                      true,
	"ORGANIZATION":                    true,
	"OTHERS":                          true,
	"OUT":                             true,
	"OUTER":                           true,
	"OUTFILE":                         true,
	"OVER":                            true,
	"OWNER":                           true,
	"PACK_KEYS":                       true,
	"PAGE":                            true,
	"PARSE_GCOL_EXPR":                 true,
	"PARSER":                          true,
	"PARTIAL":                         true,
	"PARTITION":                       true,
	"PARTITIONING":                    true,
	"PARTITIONS":                      true,
	"PASSWORD":                        true,
	"PASSWORD_LOCK_TIME":              true,
	"PATH":                            true,
	"PERCENT_RANK":                    true,
	"PERSIST":                         true,
	"PERSIST_ONLY":                    true,
	"PHASE":                           true,
	"PLUGIN":                          true,
	"PLUGIN_DIR":                      true,
	"PLUGINS":                         true,
	"POINT":                           true,
	"POLYGON":                         true,
	"PORT":                            true,
	"POSITION":                        true,
	"PRECEDES":                        true,
	"PRECEDING":                       true,
	"PRECISION":                       true,
	"PREPARE":                         true,
	"PRESERVE":                        true,
	"PREV":                            true,
	"PRIMARY":                         true,
	"PRIVILEGE_CHECKS_USER":           true,
	"PRIVILEGES":                      true,
	"PROCEDURE":                       true,
	"PROCESS":                         true,
	"PROCESSLIST":                     true,
	"PROFILE":                         true,
	"PROFILES":                        true,
	"PROXY":                           true,
	"PURGE":                           true,
	"QUARTER":                         true,
	"QUERIES":                         true,
	"QUERY":                           true,
	"QUICK":                           true,
	"RANDOM":                          true,
	"RANGE":                           true,
	"RANK":                            true,
	"READ":                            true,
	"READ_ONLY":                       true,
	"READ_WRITE":                      true,
	"READS":                           true,
	"REAL":                            true,
	"REBUILD":                         true,
	"RECENT":                          true,
	"RECOVER":                         true,
	"RECURSIVE":                       true,
	"REDO_BUFFER_SIZE":                true,
	"REDOFILE":                        true,
	"REDUNDANT":                       true,
	"REFERENCE":                       true,
	"REFERENCES":                      true,
	"REGEXP":                          true,
	"RELAY":                           true,
	"RELAY_LOG_FILE":                  true,
	"RELAY_LOG_POS":                   true,
	"RELAY_THREAD":                    true,
	"RELAYLOG":                        true,
	"RELEASE":                         true,
	"RELOAD":                          true,
	"REMOVE":                          true,
	"RENAME":                          true,
	"REORGANIZE":                      true,
	"REPAIR":                          true,
	"REPEAT":                          true,
	"REPEATABLE":                      true,
	"REPLACE":                         true,
	"REPLICA":                         true,
	"REPLICAS":                        true,
	"REPLICATE_DO_DB":                 true,
	"REPLICATE_DO_TABLE":              true,
	"REPLICATE_IGNORE_DB":             true,
	"REPLICATE_IGNORE_TABLE":          true,
	"REPLICATE_REWRITE_DB":            true,
	"REPLICATE_WILD_DO_TABLE":         true,
	"REPLICATE_WILD_IGNORE_TABLE":     true,
	"REPLICATION":                     true,
	"REQUIRE":                         true,
	"REQUIRE_ROW_FORMAT":              true,
	"REQUIRE_TABLE_PRIMARY_KEY_CHECK": true,
	"RESET":                           true,
	"RESIGNAL":                        true,
	"RESOURCE":                        true,
	"RESPECT":                         true,
	"RESTART":                         true,
	"RESTORE":                         true,
	"RESTRICT":                        true,
	"RESUME":                          true,
	"RETAIN":                          true,
	"RETURN":                          true,
	"RETURNED_SQLSTATE":               true,
	"RETURNING":                       true,
	"RETURNS":                         true,
	"REUSE":                           true,
	"REVERSE":                         true,
	"REVOKE":                          true,
	"RIGHT":                           true,
	"RLIKE":                           true,
	"ROLE":                            true,
	"ROLLBACK":                        true,
	"ROLLUP":                          true,
	"ROTATE":                          true,
	"ROUTINE":                         true,
	"ROW":                             true,
	"ROW_COUNT":                       true,
	"ROW_FORMAT":                      true,
	"ROW_NUMBER":                      true,
	"ROWS":                            true,
	"RTREE":                           true,
	"SAVEPOINT":                       true,
	"SCHEDULE":                        true,
	"SCHEMA":                          true,
	"SCHEMA_NAME":                     true,
	"SCHEMAS":                         true,
	"SECOND":                          true,
	"SECOND_MICROSECOND":              true,
	"SECONDARY":                       true,
	"SECONDARY_ENGINE":                true,
	"SECONDARY_ENGINE_ATTRIBUTE":      true,
	"SECONDARY_LOAD":                  true,
	"SECONDARY_UNLOAD":                true,
	"SECURITY":                        true,
	"SELECT":                          true,
	"SENSITIVE":                       true,
	"SEPARATOR":                       true,
	"SERIAL":                          true,
	"SERIALIZABLE":                    true,
	"SERVER":                          true,
	"SESSION":                         true,
	"SET":                             true,
	"SHARD_ROW_ID_BITS":               true,
	"SHARE":                           true,
	"SHARED":                          true,
	"SHOW":                            true,
	"SHUTDOWN":                        true,
	"SIGNAL":                          true,
	"SIGNED":                          true,
	"SIMPLE":                          true,
	"SKIP":                            true,
	"SLAVE":                           true,
	"SLOW":                            true,
	"SMALLINT":                        true,
	"SNAPSHOT":                        true,
	"SOCKET":                          true,
	"SOME":                            true,
	"SONAME":                          true,
	"SOUNDS":                          true,
	"SOURCE":                          true,
	"SOURCE_CONNECTION_AUTO_FAILOVER": true,
	"SPATIAL":                         true,
	"SPECIFIC":                        true,
	"SQL":                             true,
	"SQL_AFTER_GTIDS":                 true,
	"SQL_AFTER_MTS_GAPS":              true,
	"SQL_BEFORE_GTIDS":                true,
	"SQL_BIG_RESULT":                  true,
	"SQL_BUFFER_RESULT":               true,
	"SQL_CACHE":                       true,
	"SQL_CALC_FOUND_ROWS":             true,
	"SQL_NO_CACHE":                    true,
	"SQL_SMALL_RESULT":                true,
	"SQL_THREAD":                      true,
	"SQL_TSI_DAY":                     true,
	"SQL_TSI_HOUR":                    true,
	"SQL_TSI_MINUTE":                  true,
	"SQL_TSI_MONTH":                   true,
	"SQL_TSI_QUARTER":                 true,
	"SQL_TSI_SECOND":                  true,
	"SQL_TSI_WEEK":                    true,
	"SQL_TSI_YEAR":                    true,
	"SQLEXCEPTION":                    true,
	"SQLSTATE":                        true,
	"SQLWARNING":                      true,
	"SRID":                            true,
	"SSL":                             true,
	"STACKED":                         true,
	"START":                           true,
	"STARTING":                        true,
	"STARTS":                          true,
	"STATS":                           true,
	"STATS_AUTO_RECALC":               true,
	"STATS_BUCKETS":                   true,
	"STATS_HEALTHY":                   true,
	"STATS_HISTOGRAMS":                true,
	"STATS_META":                      true,
	"STATS_PERSISTENT":                true,
	"STATS_SAMPLE_PAGES":              true,
	"STATUS":                          true,
	"STOP":                            true,
	"STORAGE":                         true,
	"STORED":                          true,
	"STRAIGHT_JOIN":                   true,
	"STREAM":                          true,
	"STRING":                          true,
	"SUBCLASS_ORIGIN":                 true,
	"SUBDATE":                         true,
	"SUBJECT":                         true,
	"SUBPARTITION":                    true,
	"SUBPARTITIONS":                   true,
	"SUBSTR":                          true,
	"SUBSTRING":                       true,
	"SUM":                             true,
	"SUPER":                           true,
	"SUSPEND":                         true,
	"SWAPS":                           true,
	"SWITCHES":                        true,
	"SYSTEM":                          true,
	"TABLE":                           true,
	"TABLE_CHECKSUM":                  true,
	"TABLE_NAME":                      true,
	"TABLES":                          true,
	"TABLESPACE":                      true,
	"TEMPORARY":                       true,
	"TEMPTABLE":                       true,
	"TERMINATED":                      true,
	"TEXT":                            true,
	"THAN":                            true,
	"THEN":                            true,
	"THREAD_PRIORITY":                 true,
	"TIDB":                            true,
	"TIDB_HJ":                         true,
	"TIDB_INLJ":                       true,
	"TIDB_SMJ":                        true,
	"TIES":                            true,
	"TIME":                            true,
	"TIMESTAMP":                       true,
	"TIMESTAMPADD":                    true,
	"TIMESTAMPDIFF":                   true,
	"TINYBLOB":                        true,
	"TINYINT":                         true,
	"TINYTEXT":                        true,
	"TLS":                             true,
	"TO":                              true,
	"TOP":                             true,
	"TRACE":                           true,
	"TRAILING":                        true,
	"TRANSACTION":                     true,
	"TRIGGER":                         true,
	"TRIGGERS":                        true,
	"TRIM":                            true,
	"TRUE":                            true,
	"TRUNCATE":                        true,
	"TYPE":                            true,
	"TYPES":                           true,
	"UNBOUNDED":                       true,
	"UNCOMMITTED":                     true,
	"UNDEFINED":                       true,
	"UNDO":                            true,
	"UNDO_BUFFER_SIZE":                true,
	"UNDOFILE":                        true,
	"UNICODE":                         true,
	"UNINSTALL":                       true,
	"UNION":                           true,
	"UNIQUE":                          true,
	"UNKNOWN":                         true,
	"UNLOCK":                          true,
	"UNSIGNED":                        true,
	"UNTIL":                           true,
	"UPDATE":                          true,
	"UPGRADE":                         true,
	"USAGE":                           true,
	"USE":                             true,
	"USE_FRM":                         true,
	"USER":                            true,
	"USER_RESOURCES":                  true,
	"USING":                           true,
	"UTC_DATE":                        true,
	"UTC_TIME":                        true,
	"UTC_TIMESTAMP":                   true,
	"VALIDATION":                      true,
	"VALUE":                           true,
	"VALUES":                          true,
	"VARBINARY":                       true,
	"VARCHAR":                         true,
	"VARCHARACTER":                    true,
	"VARIABLES":                       true,
	"VARYING":                         true,
	"VCPU":                            true,
	"VIEW":                            true,
	"VIRTUAL":                         true,
	"VISIBLE":                         true,
	"WAIT":                            true,
	"WARNINGS":                        true,
	"WEEK":                            true,
	"WEIGHT_STRING":                   true,
	"WHEN":                            true,
	"WHERE":                           true,
	"WHILE":                           true,
	"WINDOW":                          true,
	"WITH":                            true,
	"WITHOUT":                         true,
	"WORK":                            true,
	"WRAPPER":                         true,
	"WRITE":                           true,
	"X509":                            true,
	"XA":                              true,
	"XID":                             true,
	"XML":                             true,
	"XOR":                             true,
	"YEAR":                            true,
	"YEAR_MONTH":                      true,
	"ZEROFILL":                        true,
	"ZONE":                            true,
}
